Home / 79,040.14-109,067.07-47,204.62

Finding the Fourth Proportional to 79,040.14, 109,067.07 and 47,204.62

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Solution

The fourth proportional to 79,040.14, 109,067.07 and 47,204.62 is: 65,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,040.14 : 109,067.07 = 47,204.62 : x
  2. Step 2: Convert to fraction form
    79,040.14/109,067.07 = 47,204.62/x
  3. Step 3: Cross multiply
    79,040.14x = 109,067.07 × 47,204.62
  4. Step 4: Simplify right side
    79,040.14x = 5,148,469,593.86
  5. Step 5: Solve for x
    x = 5,148,469,593.86/79,040.14
  6. Step 6: Final answer
    x = 65,137.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.